The Canary CA-800 and CA-880 both give 9 db. I can vouch for the quality of Canary products overall - I use their 801 preamp and 339 amps. Both are terrific.
The old Audible Illusions L-1 linestage has dual adjustable gain controls (knobs on the front)in addition to the volume control. Nice tube pre that utilizes two 6922 tubes. They go for around $500-600 on A'gon.
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